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Manufacturer Description

Everything photographers require of an ultra-wide-angle zoom and more. The ultra-wide-angle zoom pioneer, SIGMA has developed and launched many extraordinary products in this category over the decades. Now SIGMA introduces an ultra-wide-angle zoom lens that is perfect for the era of ultra-high resolution digital cameras. The SIGMA 12-24mm F4 DG HSM | Art offers an optimal package of center-to-edge image quality, minimized distortion, and minimum focusing distance. To achieve these qualities without compromise, SIGMA has leveraged its lens design expertise and all of its leading-edge technologies. Advanced materials such as low-dispersion glass play a crucial role, while SIGMA's advanced lens processing methods have made possible an aspherical lens of extremely large diameter. Outstanding image quality from center to edges When it comes to ultra-wide-angle lenses, photographers require outstanding image quality from the center of the image to the edges without any distortion. Such performance is particularly valuable in architectural photography. The new SIGMA 12-24mm F4 DG HSM | Art leverages SIGMA's accumulated expertise in the processing and manufacture of aspherical lenses and incorporates multiple aspherical lenses produced with precision glass molding. The lens also features lens elements made with FLD ("F" Low Dispersion) glass, which is equivalent to fluorite in performance, and an optimized power distribution. Together, thes

Product Features

Sigma 12-24mm f/4 DG HSM ART Lens - Built-in Petal Shaped Lens Hood - Front Adapter Ring - Front & Rear Lens Caps - Carrying Case - Sigma 1 Year North and South America Limited Warranty (3 Year USA Extended Warranty for a Total of 4 Years from Date of Purchase) - Bundle Includes: - Flex Lens Shade - FocusShifter DSLR Follow Focus - Cleaning Kit - Capleash - Software Package
80mm aspherical lens the largest in this lens class: The SIGMA 12-24mm F4 DG HSM / Art features 80mm large-diameter molded glass aspherical lens the largest such element in this class of lens. This lens is highly effective in minimizing distortion, spherical aberration, and coma flare.
F4 brightness throughout the zoom range: With F4 throughout the zoom range, this lens is one stop brighter than conventional lenses. Photographers can now use a higher shutter speed that will crisply capture leaves fluttering in the breeze and other quick-moving subjects.
Minimum focusing distance of 24cm/9.45"*: Leveraging the incredibly broad perspective of an ultra-wide-angle lens, photographers can compose close-up shots with impressively expansive backgrounds. *At 24mm end of the zoom range
Newly designed HSM for nimble AF control: The newly designed Hyper Sonic Motor (HSM) is large, offers 1.3 times the torque of its predecessor. Even at low speeds, it offers exceptionally stable performance

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